نتایج جستجو برای: lycopodium particle

تعداد نتایج: 174853  

2012
Maria SUCIU Aurel ARDELEAN

Liver injury treatments are among the most important of today’s research domains, because with every passing year there is a more acute need for liver transplants. Many of the everyday drugs that people use, and all the toxic influences and unhealthy food lead to some form of liver disorder. That is why today’s attention is drawn to the potentials of a few miracle plants that have the ability t...

Journal: :Journal of the American Chemical Society 2008
Bradley L Nilsson Larry E Overman Javier Read de Alaniz Jason M Rohde

Total syntheses of (+)-nankakurine A (2) and (+)-nankakurine B (3) were accomplished by a sequence that employs an intramolecular dipolar cycloaddition of an azomethine imine intermediate to form the azatricyclic moiety and establish the relative configuration of the spiropiperidine ring. These syntheses, together with the synthesis of the originally purported structure 1 of nankakurine A, rigo...

Journal: :Transactions of the Linnean Society of London 1800

Journal: :Annals and Magazine of Natural History 1871

Journal: :Molecules 2014
Dong-Bo Zhang Jian-Jun Chen Qiu-Yan Song Li Zhang Kun Gao

Four new lycodine-type alkaloids, namely 16-hydroxyhuperzine B (1), N-methyl-11-acetoxyhuperzine B (2), 8,15-dihydrolycoparin A (3) and (7S,12S,13R)-huperzine D-16-O-β-d-glucopyranoside (4), along with ten known analogues 5-14, were isolated from the whole plant of Lycopodiastrum casuarinoides. The structures of the new compounds were elucidated by means of spectroscopic techniques (IR, MS, NMR...

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